• Obverse: Portrait of Queen Elizabeth II facing right, legend “ELIZABETH II AUSTRALIA 1999.” Design by Ian Rank-Broadley (initials “IRB”).
• Reverse: Stylized lyrebird design by Stuart Devlin with large numeral “10.”
• Composition: Copper-nickel (75% Cu, 25% Ni)
• Diameter: 23.60 mm; Weight: 5.65 g; Edge: Reeded
• Mintage: 84,180,000
• Condition Notes: Light wear across hair and feathers, even toning, no major contact marks.
• Authenticity: Genuine Royal Australian Mint issue; no evidence of damage or alteration.